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The aim of this study was to evaluate the diagnostic skills and self-perceived confidence of dentists and dental students based in Asian countries in the use of this classification.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A cross-sectional analytic study design was employed. An online questionnaire encompassing four periodontitis cases was used for data collection. A total of 500 participants were invited to provide a diagnosis and rate their confidence for each case.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Responses were provided by 312 participants completed including 192 females and 120 males. Analysis of variance (ANOVA) showed a statistically significant difference in accuracy across cases by Professional Role (F (9,924)\u2009=\u20092.304,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.005), and an overall difference on accuracy by Professional Role (F (1,308)\u2009=\u20092.304,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.012). The diagnostic accuracy mean was highest for periodontics specialists (57.81\u2009\u00b1\u200949.78) followed by general dentists (50.00\u2009\u00b1\u200950.31), other dental specialists (45.00\u2009\u00b1\u200950.06); and dental students (25.00\u2009\u00b1\u200943.55). A statistically significant difference in confidence was noted across Age Groups, Gender, and Roles (\n                      <jats:italic>F<\/jats:italic>\n                      <jats:sub>(1,291)<\/jats:sub>\n                      \u2009=\u20096.356,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001;\n                      <jats:italic>F<\/jats:italic>\n                      <jats:sub>(1,293)<\/jats:sub>\n                      \u2009=\u200913.747,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001;\n                      <jats:italic>F<\/jats:italic>\n                      <jats:sub>(1,291)<\/jats:sub>\n                      \u2009=\u20098.731,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001 respectively). There was no statistically significant effect on confidence ratings by any interaction between Location and Case.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The study shows the diagnostic accuracy and confidence was highest amongst periodontology specialists followed by general dentists and undergraduate students. Overall the participants showed suboptimal diagnostic accuracy and confidence.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12903-025-07030-x","type":"journal-article","created":{"date-parts":[[2025,12,5]],"date-time":"2025-12-05T14:15:54Z","timestamp":1764944154000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Periodontal precision: diagnostic skills and confidence of dentists in Asian countries in applying the 2017 EFP\/AAP periodontal disease classification- a cross-sectional pilot study"],"prefix":"10.1186","volume":"25","author":[{"given":"Kamran","family":"Ali","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Priti","family":"Charde","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6534-6916","authenticated-orcid":false,"given":"Daniel","family":"Zahra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ewen","family":"McColl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tayeb","family":"Al Hadeethi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nader","family":"Hamdan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,12,5]]},"reference":[{"key":"7030_CR1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13189","author":"M Sanz","year":"2020","unstructured":"Sanz M, Marco del Castillo A, Jepsen S, et al. 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Ethical approval of this study was approved by the institutional review board at university of Qatar (QU-IRB 1849-EA\/23, dated 4th May 2023). Participation was voluntary and all data were recorded and processed anonymously.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Consent was obtained from patients to publish anonymised images.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"1882"}}